Investigative studies of alpha irradiated PADC films: application to plutonium sources
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-017-5597-z
Abstract: Analytical evaluation of the effect of alpha fluence and energy on the properties of the irradiated PADC polymers was carried out. The images obtained by alpha irradiation on the films were analyzed using image analysis… read more here.
Keywords: investigative studies; padc films; irradiated padc; studies alpha ... See more keywords
The use of carbon dioxide as the reaction cell gas for the separation of uranium and plutonium in quadrupole inductively coupled plasma mass spectrometry (ICP-MS) for nuclear forensic samples
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-018-5973-3
Abstract: The use of carbon dioxide (CO2) as a reaction cell gas for separation and trace analysis of uranium and plutonium by inductively coupled plasma mass spectrometry was investigated. For the analysis of the resultant UO2+… read more here.
Keywords: gas separation; cell gas; carbon dioxide; reaction cell ... See more keywords
The plutonium chemistry of Pu + O2 system: the theoretical investigation of the plutonium–oxygen interaction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-018-01587-x
Abstract: The minimum energy pathway of the reaction Pu + O2 → PuO + O has been computed with density functional theory using different functionals. The detailed description of the reaction mechanisms offers a deep insight into the reaction. The results indicate… read more here.
Keywords: chemistry system; chemistry; system theoretical; reaction ... See more keywords
Towards proliferation-resistant thorium fuels
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DOI: 10.1016/j.anucene.2016.11.010
Abstract: Abstract Thorium-plutonium mixture is proposed as alternative nuclear reactor fuel to incinerate the increasing stockpile plutonium. However, this fuel will produce an amount of uranium with about 90% 233U at applicable discharge burnups (60GWD/MTU). This… read more here.
Keywords: uranium; towards proliferation; thorium; thorium plutonium ... See more keywords
Reducing the plutonium stockpile around the world using a new design of VVER-1200 assembly
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.05.022
Abstract: Abstract The broad goal of this work is to use the accumulated plutonium around the world in peaceful uses of energy production rather than for military purposes. This work investigates the feasibility of burning the… read more here.
Keywords: seed; assembly; around world; plutonium ... See more keywords
Improvement of plutonium sample property measurement based on fast neutron multiplicity counting
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2021.108219
Abstract: Abstract Fast neutron multiplicity counting have (FNMC) is a new method of non-destructive analysis for nuclear materials. The new measurement equations of the fourth-order FNMC was established for plutonium samples. Based on the analysis of… read more here.
Keywords: multiplicity counting; plutonium; neutron multiplicity; measurement ... See more keywords
Determination of origin and intended use of plutonium metal using nuclear forensic techniques.
Sign Up to like & getrecommendations! Published in 2017 at "Forensic science international"
DOI: 10.1016/j.forsciint.2017.01.014
Abstract: Nuclear forensics techniques, including micro-XRF, gamma spectrometry, trace elemental analysis and isotopic/chronometric characterization were used to interrogate two, potentially related plutonium metal foils. These samples were submitted for analysis with only limited production information, and… read more here.
Keywords: intended use; origin; use plutonium; plutonium metal ... See more keywords
Evidence of plutonium bioavailability in pristine freshwaters of a karst system of the Swiss Jura Mountains
Sign Up to like & getrecommendations! Published in 2017 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2017.02.030
Abstract: Abstract The interaction of trace environmental plutonium with dissolved natural organic matter (NOM) plays an important role on its mobility and bioavailability in freshwater environments. Here we explore the speciation and biogeochemical behavior of Pu… read more here.
Keywords: system swiss; freshwaters karst; swiss jura; karst system ... See more keywords
Development of small-scale plutonium electrorefining in molten CaCl2
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2021.152968
Abstract: Abstract Molten salt extraction and electrorefining of plutonium were successfully conducted with only a 200-g initial charge. Due to this small scale, the electrorefining cell components were redesigned relative to conventional, multi-kg standards. The efficiency… read more here.
Keywords: plutonium electrorefining; small scale; development small; scale plutonium ... See more keywords
Determination of plutonium and uranium content and burnup using six group delayed neutrons
Sign Up to like & getrecommendations! Published in 2019 at "Nuclear Engineering and Technology"
DOI: 10.1016/j.net.2019.01.005
Abstract: Abstract In this study, investigation of spent fuel was performed using six group delayed neutron parameters. Three used fuels (F1, F2, and F11) which are burnt over the years in the core of Missouri University… read more here.
Keywords: using six; fuel; group delayed; six group ... See more keywords
Evaluation of end of cycle plutonium isotopic content in a VVER-1000 reactor using a 3D full-core simulator
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DOI: 10.1016/j.nucengdes.2021.111133
Abstract: Abstract Detailed three-dimensional (3D) spent nuclear fuel (SNF) isotopic composition analysis using a full-core 3D nodal simulator is not a widespread practice within production-level nuclear analysis fuel management codes. A 3D full-core pin-wise detailed isotopic… read more here.
Keywords: full core; content; vver 1000; plutonium ... See more keywords